Sigma 24mm f/2 DG DN Contemporary Lens
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The compact Sigma 24mm f/2 DG DN Contemporary Lens provides excellent edge-to-edge sharpness in a stylish all-metal design wide-angle prime. An ideal lens for landscape, nature, interior, and architectural photography, the lens provides a modestly bright f/2 maximum aperture for low-light performance and shallow depth of field control.
Advanced optical design produces sharp, high-contrast results from the center of the frame to the far corners, and together with its F2 aperture and wide angle-of-view this lens makes an excellent choice for night sky photography.
Constructed of two SLD glass elements and one FLD glass element, axial chromatic aberration is well corrected. The lens also incorporates two high-precision glass-molded aspherical elements, which enable the total weight of the lens to be reduced. In regard to handling and focus, this lens features a stepping motor for quick and quiet AF performance that suits both photo and video applications.
Designed from the ground up for mirrorless systems it feels perfectly-balanced on modern full-frame bodies, and boasts exceptional resolving power that can keep up with the latest ultra-high-resolution cameras.
The lens uses two SLD glass elements and one FLD glass element to correct axial chromatic aberration, which is a particular concern with bright lenses. It also incorporates two high-precision glass-molded aspherical elements, made possible by the processing technology of SIGMA’s sole production facility in Aizu. This has enabled the total number of lens elements to be kept down and the size and weight of the lens to be reduced, while providing excellent correction of various aberrations.
SIGMA’s optical designers have ensured the lens resolution is extremely high, and is uniform from the center to the periphery of the image. Sagittal coma flare is also well suppressed, giving the lens a high degree of rendering power that makes it ideal for night sky photography.
The AF drive system incorporates a quiet and high-speed stepping motor allowing photographers to capture every detail of the spacious 24mm scene with fast AF.
All-metal construction with precision-cut aluminum parts not only give the barrel a sleek, stylish finish, but provide superb durability that improves the quality of the entire product. Metal materials are also used in internal structures that slide with the operation ring for added robustness. These high-precision components crafted with SIGMA’s cutting-edge metalworking technology are also used in SIGMA’s CINE LENS line-up for professional cinematographers and provide a tactile, ergonomic feel that make the lens a pleasure to use.
The cover ring between the focus ring and the aperture ring has hairline processing that is also used for the rear cylinder of the Art line. This covering functions as a finger hold when attaching or detaching the lens.
| Lens Construction | 13 elements in 11 groups |
|---|---|
| Angle of View | 84.1° |
| Number of Diaphragm Blades | 9(Rounded diaphragm) |
| Minimum Aperture | F22 |
| Minimum Focusing Distance | 24.5cm / 9.7in. |
| Maximum Magnification Ratio | 1:6.7 |
| Filter size | φ62mm |
| Dimensions (Diameter × Length) | φ70mm × 72mm / φ2.8in. × 2.8in.
*The length of a lens is measured from the filter surface to its mount. |
| Weight | 365g / 12.9oz. |
| Supplied Accessories | Magnetic metal lens cap (LCF62-01M), Petal-type lens hood (LH656-02) included. |
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